PPG-3
AKA: Polypropylene Glycol-3
Synthetic
Solvent
Not Clean
Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-hydroxy- (3 mol PO average molar ratio)
CAS #
25322-69-4
Form
Liquid
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Dissolves Ingredients
Locks In Moisture
Fights Bacteria
Dissolves other ingredients
Traditional Use
Polypropylene glycol polymer synthesized in the early-to-mid 20th century as a humectant and solvent. Adopted by the cosmetics industry for moisture retention and product stabilization.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR